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AIM To determine the prevalence and causes of visual impairment and blindness in the Sistan-va-Baluchestan Province of Iran. METHODS A population-based cross-sectional study with a multistage cluster sampling technique was used to identify the study subjects. Visual acuity (VA) was defined for all participants aged >or=10 years. Participants with a VA of(More)
First, we determined the levels of 8 trace elements (As, Se, Hg, Cd, Ag, Mn, Cr and Pb) in 530 village drinking water sources by graphite furnace or flame atomic absorption spectroscopy method, in Kurdistan Province in the west of Iran. The results showed that the level of As, Cd and Se in 28 village drinking water sources exceeded WHO or National Standard(More)
OBJECTIVE Cardiovascular diseases, especially coronary artery disease (CAD), are responsible for the highest mortality rate in Iran. This study was conducted to determine the prevalence of CAD in an urban sample in Isfahan by the Minnesota code of a 12-lead resting electrocardiogram (ECG), the Rose questionnaire on chest pain and a self-reported previous(More)
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